maint: Upgrade to Go 1.21.4 (#389)

Upades Go to 1.21.4 and removes the old workaround around the fact that
golang-1.21-go is behind. Not because it is solved, but rather because
the workaround does not work.

.github/workflows/qa-azure.yaml

@@ -20,16 +20,6 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
-      # The following two steps are a workaround because vulnerability checker requires Go 1.21.3 which is not yet available on the archive.
-      # That requirement only affects test code using mocks, so we don't yet depend on such contracts.
-      # We should be safe with Go 1.21.1 for a while, until dependencies start to rely on the latest version.
-      - uses: actions/setup-go@v4
-        with:
-          go-version-file: go.work
-      - name: Constrain go version
-        shell: bash
-        working-directory: wsl-pro-service
-        run: go mod edit -go 1.21.1
       - name: Build debian package
         uses: canonical/desktop-engineering/gh-actions/common/build-debian@main
         with:

.golangci.yaml

@@ -70,4 +70,4 @@ linters-settings:
   staticcheck:
     # Should be better for it to be autodetected
     # https://github.com/golangci/golangci-lint/issues/2234
-    go: "1.21.3"
+    go: "1.21.4"

agentapi/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/agentapi
 
-go 1.21.3
+go 1.21.4
 
 require (
 	google.golang.org/grpc v1.59.0

common/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/common
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/google/uuid v1.4.0

contractsapi/go.mod

@@ -1,3 +1,3 @@
 module github.com/canonical/ubuntu-pro-for-windows/contractsapi
 
-go 1.21.3
+go 1.21.4

end-to-end/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/end-to-end
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/ubuntu-pro-for-windows/common v0.0.0-20230906090052-60fb5d60ada4

go.work

@@ -1,4 +1,4 @@
-go 1.21.3
+go 1.21.4
 
 use (
 	./agentapi

mocks/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/mocks
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/landscape-hostagent-api v0.0.0-20230606055347-dd0b7f618303

storeapi/go-wrapper/microsoftstore/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/storeapi/go-wrapper/microsoftstore
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/ubuntu-pro-for-windows/common v0.0.0-20230905125854-3f98ad6913ab

tools/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/tools
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/ubuntu-pro-for-windows/windows-agent v0.0.0-20230906090052-60fb5d60ada4

windows-agent/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/windows-agent
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/landscape-hostagent-api v0.0.0-20230606055347-dd0b7f618303

wsl-pro-service/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/wsl-pro-service
 
-go 1.21.3
+go 1.21.4
 
 require (
 	github.com/canonical/ubuntu-pro-for-windows/agentapi v0.0.0-20231023183501-458a10db4c16

wslserviceapi/go.mod

@@ -1,6 +1,6 @@
 module github.com/canonical/ubuntu-pro-for-windows/wslserviceapi
 
-go 1.21.3
+go 1.21.4
 
 require (
 	google.golang.org/grpc v1.59.0